Christopher MacKenzie

Experience

• 

  The Florida Bar

  Nov 2014 - Nov 2015

  • Course Approval Specialist

    May 2015 - Nov 2015

  • Registrations and Receivables Specialist

    Nov 2014 - May 2015
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  Florida Department of Economic Opportunity

  Dec 2015 - Nov 2018

  ● Created software to prevent identity-theft-related fraud in state unemployment benefits ○ Python, Datastax Cassandra, Datastax Solr, Golang, C#, Oracle ○ Reviewed code, authorized and performed merge requests through Git, deploymentsthrough Jenkins CI● Executed Solr queries and providing analysis in order to validate new ways of catching fraud ○ Wrote complex “facet” queries on multiple layers of data, grouped and analyzed datausing Python● Fraud detection through machine-learning ○ Designed algorithms that detect fraudulent unemployment claims at approximately 90percent accuracy ■ Linear Regression, Random Forests, Support Vector Machine (SVM)● Golang Analytic Microservice ○ Rewrote tests from scratch, increased code coverage from 20 percent to 75 percent ○ Implemented concurrency to reduce average hash time by approximately 50 percent● .NET Technology Enhancement ○ Rewrote entire API in C# (previously Python and Go) while maintaining functionalityrequirements assessed through BA testing ○ Reduced batch processing time by 30 percent through database optimization and businesslogic enhancements ○ Adopted leadership role by communicating business requirements to UI team andperforming code review Show less

  • Data Architect

    Mar 2018 - Nov 2018

  • Software Engineer

    Dec 2015 - Nov 2018
• 

  Northwestern Mutual

  Nov 2018 - Dec 2022

  Senior Software Engineer

  ● Test-data generation by masking production data with human-readable replacements ○ Modernized legacy system to improve processing time by 90 percent ○ Developed extensive ETL process for over 600 database tables using Pentaho Data Integration ○ Employed GenRocket API to consistently generate new values for PII fields such as names, addresses, and SSNs ○ Documented usage statistics for over 15 test schemas in LucidCharts, used this information to create development strategy to present to management ○ Custom Java scripting to analyze free-form database fields to find and replace potential PII● Performed duties as scrum master for development team, conducted daily standups as well as sprint reviews, sprint planning, and retrospectives● Gave monthly demos to key stakeholders with 80-100 people in attendance Show less